diff options
Diffstat (limited to 'gr-fft/lib/goertzel.cc')
| -rw-r--r-- | gr-fft/lib/goertzel.cc | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/gr-fft/lib/goertzel.cc b/gr-fft/lib/goertzel.cc index 14098180b5..324d2a76a2 100644 --- a/gr-fft/lib/goertzel.cc +++ b/gr-fft/lib/goertzel.cc @@ -1,6 +1,6 @@ /* -*- c++ -*- */ /* - * Copyright 2002,2011,2012 Free Software Foundation, Inc. + * Copyright 2002,2011,2012,2018 Free Software Foundation, Inc. * * This file is part of GNU Radio * @@ -24,8 +24,9 @@ #include <config.h> #endif -#include <cmath> #include <gnuradio/fft/goertzel.h> +#include <gnuradio/math.h> +#include <cmath> namespace gr { namespace fft { @@ -41,7 +42,7 @@ namespace gr { d_d1 = 0.0; d_d2 = 0.0; - float w = 2.0*M_PI*freq/rate; + float w = 2.0*GR_M_PI*freq/rate; d_wr = 2.0*std::cos(w); d_wi = std::sin(w); d_len = len; |